The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 25, 2013
Filed:
Jun. 23, 2009
Christine H. Flood, Westford, MA (US);
Victor M. Luchangco, Cambridge, MA (US);
Jan-willem Maessen, Somerville, MA (US);
Christine H. Flood, Westford, MA (US);
Victor M. Luchangco, Cambridge, MA (US);
Jan-Willem Maessen, Somerville, MA (US);
Oracle America, Inc., Redwood Shores, CA (US);
Abstract
A system for managing transactions, including a first reference cell associated with a starting value for a first variable, a first thread having an outer atomic transaction including a first instruction to write a first value to the first variable, a second thread, executing in parallel with the first thread, having an inner atomic transaction including a second instruction to write a second value to the first variable, where the inner atomic transaction is nested within the outer atomic transaction, a first value node created by the outer atomic transaction and storing the first value in response to execution of the first instruction, and a second value node created by the inner atomic transaction, storing the second value in response to execution of the second instruction, and having a previous node pointer referencing the first value node.